Question 137756
DISTANCE=RATE*TIME
500/S=2
500=2S
S=500/2
S=250 MPH SPEED WITH THE WIND
500/S=3
3S=500
S=500/3
S=166.667 SPEED AGAINST THE WIND
(250-166.667)/2=416.667/2=208.333 IS THE SPEED OF THE PLANE.
THUS THE SPEED OF THE WIND IS:
250-208.333=41.667 MPH.
PROOF:
166.667+41.667=208.333 MPH.